| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrBitmapTextContext.h" |
| #include "GrAtlas.h" |
| #include "GrDefaultGeoProcFactory.h" |
| #include "GrDrawTarget.h" |
| #include "GrFontCache.h" |
| #include "GrFontScaler.h" |
| #include "GrIndexBuffer.h" |
| #include "GrStrokeInfo.h" |
| #include "GrTexturePriv.h" |
| |
| #include "SkAutoKern.h" |
| #include "SkColorPriv.h" |
| #include "SkDraw.h" |
| #include "SkDrawProcs.h" |
| #include "SkGlyphCache.h" |
| #include "SkGpuDevice.h" |
| #include "SkGr.h" |
| #include "SkPath.h" |
| #include "SkRTConf.h" |
| #include "SkStrokeRec.h" |
| #include "SkTextMapStateProc.h" |
| |
| #include "effects/GrBitmapTextGeoProc.h" |
| #include "effects/GrSimpleTextureEffect.h" |
| |
| SK_CONF_DECLARE(bool, c_DumpFontCache, "gpu.dumpFontCache", false, |
| "Dump the contents of the font cache before every purge."); |
| |
| namespace { |
| static const size_t kLCDTextVASize = sizeof(SkPoint) + sizeof(SkIPoint16); |
| |
| // position + local coord |
| static const size_t kColorTextVASize = sizeof(SkPoint) + sizeof(SkIPoint16); |
| |
| static const size_t kGrayTextVASize = sizeof(SkPoint) + sizeof(GrColor) + sizeof(SkIPoint16); |
| |
| static const int kVerticesPerGlyph = 4; |
| static const int kIndicesPerGlyph = 6; |
| }; |
| |
| GrBitmapTextContext::GrBitmapTextContext(GrContext* context, |
| SkGpuDevice* gpuDevice, |
| const SkDeviceProperties& properties) |
| : GrTextContext(context, gpuDevice, properties) { |
| fStrike = NULL; |
| |
| fCurrTexture = NULL; |
| fEffectTextureUniqueID = SK_InvalidUniqueID; |
| |
| fVertices = NULL; |
| fCurrVertex = 0; |
| fAllocVertexCount = 0; |
| fTotalVertexCount = 0; |
| |
| fVertexBounds.setLargestInverted(); |
| } |
| |
| GrBitmapTextContext* GrBitmapTextContext::Create(GrContext* context, |
| SkGpuDevice* gpuDevice, |
| const SkDeviceProperties& props) { |
| return SkNEW_ARGS(GrBitmapTextContext, (context, gpuDevice, props)); |
| } |
| |
| bool GrBitmapTextContext::canDraw(const GrRenderTarget* rt, |
| const GrClip& clip, |
| const GrPaint& paint, |
| const SkPaint& skPaint, |
| const SkMatrix& viewMatrix) { |
| return !SkDraw::ShouldDrawTextAsPaths(skPaint, viewMatrix); |
| } |
| |
| inline void GrBitmapTextContext::init(GrRenderTarget* rt, const GrClip& clip, |
| const GrPaint& paint, const SkPaint& skPaint, |
| const SkIRect& regionClipBounds) { |
| GrTextContext::init(rt, clip, paint, skPaint, regionClipBounds); |
| |
| fStrike = NULL; |
| |
| fCurrTexture = NULL; |
| fCurrVertex = 0; |
| |
| fVertices = NULL; |
| fAllocVertexCount = 0; |
| fTotalVertexCount = 0; |
| } |
| |
| void GrBitmapTextContext::onDrawText(GrRenderTarget* rt, const GrClip& clip, |
| const GrPaint& paint, const SkPaint& skPaint, |
| const SkMatrix& viewMatrix, |
| const char text[], size_t byteLength, |
| SkScalar x, SkScalar y, const SkIRect& regionClipBounds) { |
| SkASSERT(byteLength == 0 || text != NULL); |
| |
| // nothing to draw |
| if (text == NULL || byteLength == 0 /*|| fRC->isEmpty()*/) { |
| return; |
| } |
| |
| this->init(rt, clip, paint, skPaint, regionClipBounds); |
| |
| SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); |
| |
| SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &viewMatrix); |
| SkGlyphCache* cache = autoCache.getCache(); |
| GrFontScaler* fontScaler = GetGrFontScaler(cache); |
| |
| // transform our starting point |
| { |
| SkPoint loc; |
| viewMatrix.mapXY(x, y, &loc); |
| x = loc.fX; |
| y = loc.fY; |
| } |
| |
| // need to measure first |
| int numGlyphs; |
| if (fSkPaint.getTextAlign() != SkPaint::kLeft_Align) { |
| SkVector stopVector; |
| numGlyphs = MeasureText(cache, glyphCacheProc, text, byteLength, &stopVector); |
| |
| SkScalar stopX = stopVector.fX; |
| SkScalar stopY = stopVector.fY; |
| |
| if (fSkPaint.getTextAlign() == SkPaint::kCenter_Align) { |
| stopX = SkScalarHalf(stopX); |
| stopY = SkScalarHalf(stopY); |
| } |
| x -= stopX; |
| y -= stopY; |
| } else { |
| numGlyphs = fSkPaint.textToGlyphs(text, byteLength, NULL); |
| } |
| fTotalVertexCount = kVerticesPerGlyph*numGlyphs; |
| |
| const char* stop = text + byteLength; |
| |
| SkAutoKern autokern; |
| |
| SkFixed fxMask = ~0; |
| SkFixed fyMask = ~0; |
| SkScalar halfSampleX, halfSampleY; |
| if (cache->isSubpixel()) { |
| halfSampleX = halfSampleY = SkFixedToScalar(SkGlyph::kSubpixelRound); |
| SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(viewMatrix); |
| if (kX_SkAxisAlignment == baseline) { |
| fyMask = 0; |
| halfSampleY = SK_ScalarHalf; |
| } else if (kY_SkAxisAlignment == baseline) { |
| fxMask = 0; |
| halfSampleX = SK_ScalarHalf; |
| } |
| } else { |
| halfSampleX = halfSampleY = SK_ScalarHalf; |
| } |
| |
| Sk48Dot16 fx = SkScalarTo48Dot16(x + halfSampleX); |
| Sk48Dot16 fy = SkScalarTo48Dot16(y + halfSampleY); |
| |
| // if we have RGB, then we won't have any SkShaders so no need to use a localmatrix, but for |
| // performance reasons we just invert here instead |
| if (!viewMatrix.invert(&fLocalMatrix)) { |
| SkDebugf("Cannot invert viewmatrix\n"); |
| return; |
| } |
| |
| while (text < stop) { |
| const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fyMask); |
| |
| fx += autokern.adjust(glyph); |
| |
| if (glyph.fWidth) { |
| this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
| glyph.getSubXFixed(), |
| glyph.getSubYFixed(), |
| GrGlyph::kCoverage_MaskStyle), |
| Sk48Dot16FloorToInt(fx), |
| Sk48Dot16FloorToInt(fy), |
| fontScaler); |
| } |
| |
| fx += glyph.fAdvanceX; |
| fy += glyph.fAdvanceY; |
| } |
| |
| this->finish(); |
| } |
| |
| void GrBitmapTextContext::onDrawPosText(GrRenderTarget* rt, const GrClip& clip, |
| const GrPaint& paint, const SkPaint& skPaint, |
| const SkMatrix& viewMatrix, |
| const char text[], size_t byteLength, |
| const SkScalar pos[], int scalarsPerPosition, |
| const SkPoint& offset, const SkIRect& regionClipBounds) { |
| SkASSERT(byteLength == 0 || text != NULL); |
| SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); |
| |
| // nothing to draw |
| if (text == NULL || byteLength == 0/* || fRC->isEmpty()*/) { |
| return; |
| } |
| |
| this->init(rt, clip, paint, skPaint, regionClipBounds); |
| |
| SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); |
| |
| SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &viewMatrix); |
| SkGlyphCache* cache = autoCache.getCache(); |
| GrFontScaler* fontScaler = GetGrFontScaler(cache); |
| |
| // if we have RGB, then we won't have any SkShaders so no need to use a localmatrix, but for |
| // performance reasons we just invert here instead |
| if (!viewMatrix.invert(&fLocalMatrix)) { |
| SkDebugf("Cannot invert viewmatrix\n"); |
| return; |
| } |
| |
| int numGlyphs = fSkPaint.textToGlyphs(text, byteLength, NULL); |
| fTotalVertexCount = kVerticesPerGlyph*numGlyphs; |
| |
| const char* stop = text + byteLength; |
| SkTextAlignProc alignProc(fSkPaint.getTextAlign()); |
| SkTextMapStateProc tmsProc(viewMatrix, offset, scalarsPerPosition); |
| SkScalar halfSampleX = 0, halfSampleY = 0; |
| |
| if (cache->isSubpixel()) { |
| // maybe we should skip the rounding if linearText is set |
| SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(viewMatrix); |
| |
| SkFixed fxMask = ~0; |
| SkFixed fyMask = ~0; |
| if (kX_SkAxisAlignment == baseline) { |
| fyMask = 0; |
| halfSampleY = SK_ScalarHalf; |
| } else if (kY_SkAxisAlignment == baseline) { |
| fxMask = 0; |
| halfSampleX = SK_ScalarHalf; |
| } |
| |
| if (SkPaint::kLeft_Align == fSkPaint.getTextAlign()) { |
| while (text < stop) { |
| SkPoint tmsLoc; |
| tmsProc(pos, &tmsLoc); |
| Sk48Dot16 fx = SkScalarTo48Dot16(tmsLoc.fX + halfSampleX); |
| Sk48Dot16 fy = SkScalarTo48Dot16(tmsLoc.fY + halfSampleY); |
| |
| const SkGlyph& glyph = glyphCacheProc(cache, &text, |
| fx & fxMask, fy & fyMask); |
| |
| if (glyph.fWidth) { |
| this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
| glyph.getSubXFixed(), |
| glyph.getSubYFixed(), |
| GrGlyph::kCoverage_MaskStyle), |
| Sk48Dot16FloorToInt(fx), |
| Sk48Dot16FloorToInt(fy), |
| fontScaler); |
| } |
| pos += scalarsPerPosition; |
| } |
| } else { |
| while (text < stop) { |
| const char* currentText = text; |
| const SkGlyph& metricGlyph = glyphCacheProc(cache, &text, 0, 0); |
| |
| if (metricGlyph.fWidth) { |
| SkDEBUGCODE(SkFixed prevAdvX = metricGlyph.fAdvanceX;) |
| SkDEBUGCODE(SkFixed prevAdvY = metricGlyph.fAdvanceY;) |
| SkPoint tmsLoc; |
| tmsProc(pos, &tmsLoc); |
| SkPoint alignLoc; |
| alignProc(tmsLoc, metricGlyph, &alignLoc); |
| |
| Sk48Dot16 fx = SkScalarTo48Dot16(alignLoc.fX + halfSampleX); |
| Sk48Dot16 fy = SkScalarTo48Dot16(alignLoc.fY + halfSampleY); |
| |
| // have to call again, now that we've been "aligned" |
| const SkGlyph& glyph = glyphCacheProc(cache, ¤tText, |
| fx & fxMask, fy & fyMask); |
| // the assumption is that the metrics haven't changed |
| SkASSERT(prevAdvX == glyph.fAdvanceX); |
| SkASSERT(prevAdvY == glyph.fAdvanceY); |
| SkASSERT(glyph.fWidth); |
| |
| this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
| glyph.getSubXFixed(), |
| glyph.getSubYFixed(), |
| GrGlyph::kCoverage_MaskStyle), |
| Sk48Dot16FloorToInt(fx), |
| Sk48Dot16FloorToInt(fy), |
| fontScaler); |
| } |
| pos += scalarsPerPosition; |
| } |
| } |
| } else { // not subpixel |
| |
| if (SkPaint::kLeft_Align == fSkPaint.getTextAlign()) { |
| while (text < stop) { |
| // the last 2 parameters are ignored |
| const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); |
| |
| if (glyph.fWidth) { |
| SkPoint tmsLoc; |
| tmsProc(pos, &tmsLoc); |
| |
| Sk48Dot16 fx = SkScalarTo48Dot16(tmsLoc.fX + SK_ScalarHalf); //halfSampleX; |
| Sk48Dot16 fy = SkScalarTo48Dot16(tmsLoc.fY + SK_ScalarHalf); //halfSampleY; |
| this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
| glyph.getSubXFixed(), |
| glyph.getSubYFixed(), |
| GrGlyph::kCoverage_MaskStyle), |
| Sk48Dot16FloorToInt(fx), |
| Sk48Dot16FloorToInt(fy), |
| fontScaler); |
| } |
| pos += scalarsPerPosition; |
| } |
| } else { |
| while (text < stop) { |
| // the last 2 parameters are ignored |
| const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); |
| |
| if (glyph.fWidth) { |
| SkPoint tmsLoc; |
| tmsProc(pos, &tmsLoc); |
| |
| SkPoint alignLoc; |
| alignProc(tmsLoc, glyph, &alignLoc); |
| |
| Sk48Dot16 fx = SkScalarTo48Dot16(alignLoc.fX + SK_ScalarHalf); //halfSampleX; |
| Sk48Dot16 fy = SkScalarTo48Dot16(alignLoc.fY + SK_ScalarHalf); //halfSampleY; |
| this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
| glyph.getSubXFixed(), |
| glyph.getSubYFixed(), |
| GrGlyph::kCoverage_MaskStyle), |
| Sk48Dot16FloorToInt(fx), |
| Sk48Dot16FloorToInt(fy), |
| fontScaler); |
| } |
| pos += scalarsPerPosition; |
| } |
| } |
| } |
| |
| this->finish(); |
| } |
| |
| static size_t get_vertex_stride(GrMaskFormat maskFormat) { |
| switch (maskFormat) { |
| case kA8_GrMaskFormat: |
| return kGrayTextVASize; |
| case kARGB_GrMaskFormat: |
| return kColorTextVASize; |
| default: |
| return kLCDTextVASize; |
| } |
| } |
| |
| static void* alloc_vertices(GrDrawTarget* drawTarget, |
| int numVertices, |
| GrMaskFormat maskFormat) { |
| if (numVertices <= 0) { |
| return NULL; |
| } |
| |
| // set up attributes |
| void* vertices = NULL; |
| bool success = drawTarget->reserveVertexAndIndexSpace(numVertices, |
| get_vertex_stride(maskFormat), |
| 0, |
| &vertices, |
| NULL); |
| GrAlwaysAssert(success); |
| return vertices; |
| } |
| |
| inline bool GrBitmapTextContext::uploadGlyph(GrGlyph* glyph, GrFontScaler* scaler) { |
| if (!fStrike->glyphTooLargeForAtlas(glyph)) { |
| if (fStrike->addGlyphToAtlas(glyph, scaler)) { |
| return true; |
| } |
| |
| // try to clear out an unused plot before we flush |
| if (fContext->getFontCache()->freeUnusedPlot(fStrike, glyph) && |
| fStrike->addGlyphToAtlas(glyph, scaler)) { |
| return true; |
| } |
| |
| if (c_DumpFontCache) { |
| #ifdef SK_DEVELOPER |
| fContext->getFontCache()->dump(); |
| #endif |
| } |
| |
| // before we purge the cache, we must flush any accumulated draws |
| this->flush(); |
| fContext->flush(); |
| |
| // we should have an unused plot now |
| if (fContext->getFontCache()->freeUnusedPlot(fStrike, glyph) && |
| fStrike->addGlyphToAtlas(glyph, scaler)) { |
| return true; |
| } |
| |
| // we should never get here |
| SkASSERT(false); |
| } |
| |
| return false; |
| } |
| |
| void GrBitmapTextContext::appendGlyph(GrGlyph::PackedID packed, |
| int vx, int vy, |
| GrFontScaler* scaler) { |
| if (NULL == fDrawTarget) { |
| return; |
| } |
| |
| if (NULL == fStrike) { |
| fStrike = fContext->getFontCache()->getStrike(scaler); |
| } |
| |
| GrGlyph* glyph = fStrike->getGlyph(packed, scaler); |
| if (NULL == glyph || glyph->fBounds.isEmpty()) { |
| return; |
| } |
| |
| int x = vx + glyph->fBounds.fLeft; |
| int y = vy + glyph->fBounds.fTop; |
| |
| // keep them as ints until we've done the clip-test |
| int width = glyph->fBounds.width(); |
| int height = glyph->fBounds.height(); |
| |
| // check if we clipped out |
| if (fClipRect.quickReject(x, y, x + width, y + height)) { |
| return; |
| } |
| |
| // If the glyph is too large we fall back to paths |
| if (NULL == glyph->fPlot && !uploadGlyph(glyph, scaler)) { |
| if (NULL == glyph->fPath) { |
| SkPath* path = SkNEW(SkPath); |
| if (!scaler->getGlyphPath(glyph->glyphID(), path)) { |
| // flag the glyph as being dead? |
| delete path; |
| return; |
| } |
| glyph->fPath = path; |
| } |
| |
| // flush any accumulated draws before drawing this glyph as a path. |
| this->flush(); |
| |
| SkMatrix translate; |
| translate.setTranslate(SkIntToScalar(vx), SkIntToScalar(vy)); |
| SkPath tmpPath(*glyph->fPath); |
| tmpPath.transform(translate); |
| GrStrokeInfo strokeInfo(SkStrokeRec::kFill_InitStyle); |
| fContext->drawPath(fRenderTarget, fClip, fPaint, SkMatrix::I(), tmpPath, strokeInfo); |
| |
| // remove this glyph from the vertices we need to allocate |
| fTotalVertexCount -= kVerticesPerGlyph; |
| return; |
| } |
| |
| SkASSERT(glyph->fPlot); |
| GrDrawTarget::DrawToken drawToken = fDrawTarget->getCurrentDrawToken(); |
| glyph->fPlot->setDrawToken(drawToken); |
| |
| // the current texture/maskformat must match what the glyph needs |
| GrTexture* texture = glyph->fPlot->texture(); |
| SkASSERT(texture); |
| |
| if (fCurrTexture != texture || fCurrVertex + kVerticesPerGlyph > fAllocVertexCount) { |
| this->flush(); |
| fCurrTexture = texture; |
| fCurrTexture->ref(); |
| fCurrMaskFormat = glyph->fMaskFormat; |
| } |
| |
| if (NULL == fVertices) { |
| int maxQuadVertices = kVerticesPerGlyph * fContext->getQuadIndexBuffer()->maxQuads(); |
| fAllocVertexCount = SkMin32(fTotalVertexCount, maxQuadVertices); |
| fVertices = alloc_vertices(fDrawTarget, fAllocVertexCount, fCurrMaskFormat); |
| } |
| |
| SkRect r; |
| r.fLeft = SkIntToScalar(x); |
| r.fTop = SkIntToScalar(y); |
| r.fRight = r.fLeft + SkIntToScalar(width); |
| r.fBottom = r.fTop + SkIntToScalar(height); |
| |
| fVertexBounds.joinNonEmptyArg(r); |
| |
| int u0 = glyph->fAtlasLocation.fX; |
| int v0 = glyph->fAtlasLocation.fY; |
| int u1 = u0 + width; |
| int v1 = v0 + height; |
| |
| size_t vertSize = get_vertex_stride(fCurrMaskFormat); |
| intptr_t vertex = reinterpret_cast<intptr_t>(fVertices) + vertSize * fCurrVertex; |
| |
| // V0 |
| SkPoint* position = reinterpret_cast<SkPoint*>(vertex); |
| position->set(r.fLeft, r.fTop); |
| if (kA8_GrMaskFormat == fCurrMaskFormat) { |
| SkColor* color = reinterpret_cast<SkColor*>(vertex + sizeof(SkPoint)); |
| *color = fPaint.getColor(); |
| } |
| SkIPoint16* textureCoords = reinterpret_cast<SkIPoint16*>(vertex + vertSize - |
| sizeof(SkIPoint16)); |
| textureCoords->set(u0, v0); |
| vertex += vertSize; |
| |
| // V1 |
| position = reinterpret_cast<SkPoint*>(vertex); |
| position->set(r.fLeft, r.fBottom); |
| if (kA8_GrMaskFormat == fCurrMaskFormat) { |
| SkColor* color = reinterpret_cast<SkColor*>(vertex + sizeof(SkPoint)); |
| *color = fPaint.getColor(); |
| } |
| textureCoords = reinterpret_cast<SkIPoint16*>(vertex + vertSize - sizeof(SkIPoint16)); |
| textureCoords->set(u0, v1); |
| vertex += vertSize; |
| |
| // V2 |
| position = reinterpret_cast<SkPoint*>(vertex); |
| position->set(r.fRight, r.fBottom); |
| if (kA8_GrMaskFormat == fCurrMaskFormat) { |
| SkColor* color = reinterpret_cast<SkColor*>(vertex + sizeof(SkPoint)); |
| *color = fPaint.getColor(); |
| } |
| textureCoords = reinterpret_cast<SkIPoint16*>(vertex + vertSize - sizeof(SkIPoint16)); |
| textureCoords->set(u1, v1); |
| vertex += vertSize; |
| |
| // V3 |
| position = reinterpret_cast<SkPoint*>(vertex); |
| position->set(r.fRight, r.fTop); |
| if (kA8_GrMaskFormat == fCurrMaskFormat) { |
| SkColor* color = reinterpret_cast<SkColor*>(vertex + sizeof(SkPoint)); |
| *color = fPaint.getColor(); |
| } |
| textureCoords = reinterpret_cast<SkIPoint16*>(vertex + vertSize - sizeof(SkIPoint16)); |
| textureCoords->set(u1, v0); |
| |
| fCurrVertex += 4; |
| } |
| |
| void GrBitmapTextContext::flush() { |
| if (NULL == fDrawTarget) { |
| return; |
| } |
| |
| if (fCurrVertex > 0) { |
| GrPipelineBuilder pipelineBuilder; |
| pipelineBuilder.setFromPaint(fPaint, fRenderTarget, fClip); |
| |
| // setup our sampler state for our text texture/atlas |
| SkASSERT(SkIsAlign4(fCurrVertex)); |
| SkASSERT(fCurrTexture); |
| |
| SkASSERT(fStrike); |
| GrColor color = fPaint.getColor(); |
| switch (fCurrMaskFormat) { |
| // Color bitmap text |
| case kARGB_GrMaskFormat: { |
| int a = fSkPaint.getAlpha(); |
| color = SkColorSetARGB(a, a, a, a); |
| break; |
| } |
| // LCD text |
| case kA565_GrMaskFormat: { |
| // TODO: move supportsRGBCoverage check to setupCoverageEffect and only add LCD |
| // processor if the xp can support it. For now we will simply assume that if |
| // fUseLCDText is true, then we have a known color output. |
| const GrXPFactory* xpFactory = pipelineBuilder.getXPFactory(); |
| if (!xpFactory->supportsRGBCoverage(0, kRGBA_GrColorComponentFlags)) { |
| SkDebugf("LCD Text will not draw correctly.\n"); |
| } |
| break; |
| } |
| // Grayscale/BW text |
| case kA8_GrMaskFormat: |
| break; |
| default: |
| SkFAIL("Unexpected mask format."); |
| } |
| |
| GrTextureParams params(SkShader::kClamp_TileMode, GrTextureParams::kNone_FilterMode); |
| uint32_t textureUniqueID = fCurrTexture->getUniqueID(); |
| if (textureUniqueID != fEffectTextureUniqueID || |
| fCachedGeometryProcessor->color() != color || |
| !fCachedGeometryProcessor->localMatrix().cheapEqualTo(fLocalMatrix)) { |
| // This will be ignored in the non A8 case |
| bool opaqueVertexColors = GrColorIsOpaque(fPaint.getColor()); |
| fCachedGeometryProcessor.reset(GrBitmapTextGeoProc::Create(color, |
| fCurrTexture, |
| params, |
| fCurrMaskFormat, |
| opaqueVertexColors, |
| fLocalMatrix)); |
| fEffectTextureUniqueID = textureUniqueID; |
| } |
| |
| int nGlyphs = fCurrVertex / kVerticesPerGlyph; |
| fDrawTarget->setIndexSourceToBuffer(fContext->getQuadIndexBuffer()); |
| fDrawTarget->drawIndexedInstances(&pipelineBuilder, |
| fCachedGeometryProcessor.get(), |
| kTriangles_GrPrimitiveType, |
| nGlyphs, |
| kVerticesPerGlyph, |
| kIndicesPerGlyph, |
| &fVertexBounds); |
| |
| fDrawTarget->resetVertexSource(); |
| fVertices = NULL; |
| fAllocVertexCount = 0; |
| // reset to be those that are left |
| fTotalVertexCount -= fCurrVertex; |
| fCurrVertex = 0; |
| fVertexBounds.setLargestInverted(); |
| SkSafeSetNull(fCurrTexture); |
| } |
| } |
| |
| inline void GrBitmapTextContext::finish() { |
| this->flush(); |
| fTotalVertexCount = 0; |
| |
| GrTextContext::finish(); |
| } |
| |